Thysanura. Fauna Hawaiiensis Volume 3. Part 4.

\jP Biodiversity
fe^HeriUge

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Fauna hawaiiensis; being the land-fauna of the Hawaiian islands, by various

authors, 1899-1913.

Cambridge [Eng.] :The University press,1913.
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293

^■5.

THYSANURA. ^5>^r

By Filippo Silvestri (Bevagna> Italy). ^^**^-

{Pkite VI I L)

Nv ThysaiiLira have, until now, bt^en known from the Hawaimn islands. The
collection of these Insects, thai I have studied through the kindness of Dr P. Sharp,
comprehends only four species, all new and belonging to the cosmopolitan genera
/a/yv (i), Machiiis (2), and Lepisma (1). The small number of the species does not
permit any inference as to the distribution of these interesting Insects, but I hope that
the Entomologists of the Haw^aitan islands will give more attention to this group, and
publish supplementary information on the Hawaiian Thysanura and on their relationship
with those of other islands.

Fam, CAMPODEIUAE.
Campodea Westw^

Individuals of this genus are very numerous in tht Islands, but ?\Ir Perkins has
not been able to preserve any specimens in a state fit ff^r study or ideniihcation. He
has observed that this Insect is introduced in the earth connected with imported plants.

Fam, JAPYGIDAE.
Iapvx Hah

(t) f^^Py^^ sharpi, sp. nov.

Pallide cremeus, segmento abdominali decimo et forcipe ferrugineis, forcipis mar-
ginilius latericiis.

Antennae sat breves, ha si incrassata, apicem versus gradatim mag is attenuatae,
articulis 38 compositae, articulo singulo latiore quam longiore, setis longis sat robustis et
setis sat brevibus instructis, articulo quarto setis tribus sensoriis (PL VIII. fig. I— 2,
s' — s') instructo, articulis quinto et sexto setis sensoriis quinque (fig. t— 2. s* — s*, s^ — s'')
in articulo singulo. Setae sensoriae (fig. 3) valde attenuatae, parttf distali plumosa.

Thorax. Tergita et sternita setis nonnullis longis et setis sparsissimis brevibus
instructa. Pedes coxa et trochantere setis nonnullis 1' >nKis, femore setis duabus interis,
longioribus et setis superis nonnullis sat brevibus, nee non seta longa, tibia infra setis
duabus sat longis, robustis, nee non setis sat brevibus sat robustis et setis brevibus, tarso

F. H. 11 L 3^

294 FAUNA HAWAIIENSIS

(fig. 4) infra setis longis, sat robustis, sat numerosis aucto, quam tibia fere duplo
breviore, prae tarsi iiriguibui^ longis, ungiie majore quam tarsus fere \ breviore*

Abdomen. Ttrgita setis 6 antice, quarum laterales ceteris longiores, et setis
4 posticis longioribus, quarum duo laterales, duo submedianae sunt, nee non setis
nonnullis brevibus instructa, Subcoxae segmenti primi (fig, 5 sc^ papilla lateral!
setis brevibus et brevioribus pluribus, nee non serie marginali setarum sat longarum
aucta, iiistructae et setis non nulls anticis sat longis, setis brev^ionbus et setis medianis
posticis uniseriatis praeditae. Subcoxae scgnientorum 2 — S (fig, 6) setis nonnullis
longis, robustis, irregulariter 4'Seriatis, n^c non setis paucis brevioribus auctae, Styli
attenuate conici, acuti, breviores, seta brevi externa instructi. Tergitum septinujm
(fig. t>) utrinique post Ice rotuiidatim valde exciso, angulo postico acute producto,
Segmentum decimum fere ^ longius quam latius, setis sparsis sat loiigis auctum.

Forcipis (fig. 7) brachiuni dextruni quam laevum parum crassius, dente majore ad
eundeni brachii laevi opposito et quam idem parum minore, tuberculis basalibus 5 — 6 sat
magnis, tuberculis distalibus minimis fere usque ad apicem brachii sistentibus. Brachium
laevum quam dexterum parte distali aliquantum magis attenuata et arcuata, tuber-
culis distalibus supra inconspicuis, subtus vix manifestis. Forcipis brachla setis nonnullis
longis et setis nonnullis brevibus aucta.

Long, corp» m. 10; lat. segmenti septimi i.'&x long, antennarum 2, long, forcipis
I* 1

Had. Kauai: Kaholuamano (Perkins, iv, JS95}; Halemanu 4000 feet, v. 1S95
Perkins.

This new species, which I have much pleasure in naming in honour of Or Sharp, is
easily Llistinguished from others by the form of the forcipula and the armature of the
antennae and of the subcoxae of first abdominal segment,

Fam. MACHILinAE.

Machilis Latr.
(i) Maehiiis perkinsi, sp, nov.

Z Long. Corp. 15 ; lat. thoracis 3, 2 ; long, antenn. 20. long, cerci mediani 10
(probab. 20 — 25). Long, cerci lateralis 5, long, styli prijiii 09, long, styli ultimi 1*5,

Color in exempio in spiritu vini asservato, castaneus.

Oculi (PI, VI U. fig. 17^) parvi, inter sese spatio perparvo tangentes, Oculiis
singulus parum minus quam ^ latior quam longior. Ocelli (fig. 9 oc et fig. i 7) nigrS,
transversales subrectangulares, aliquantum mag is externe quam oculi incipientes, et
usque ad dimidiam partem eorumdem extensi. Antennae squamis et setis instructae,
quam corpus^ | longiores, arilculo prlmo (fig. 9^4) quam clypeus et labrum, simul
sumpta, parum longiore, parum minus quam -| longiore quam latiorej cetero apicem
versus gradatrm parum attenuate.

TIIYSANURA 295

Palpi maxillcires (fig. 10 pa) crassi, sat breves, squamis et setis brevibus vestiti,
articulo sexto ceteris crassiore et infra ad apicem pulvillo brevi, sed latiore aucto, articulo
prinio processu supero postero (fig. 10 pr) subtriaiigulari, pcrbrevi instructo, articulo
sexto quam ultinius \ longiore, articulo ultimo apice rotundato.

Palpi labiales (fig. \i pi) articulo ultimo cylindrico, apicem versus parum incras-
sato, appendicLilis subconicis, sat brevibus, aucto.

Thorax. Arcus thoracicus sat parvus. Pedes sat longi et sat robusti, primi paris
(fig, 12) femore multo magis quam duplo longiore quam latiore, tarso quam tibia
^ longiore, articulo tcrtio tarsal i quam secundus ^ breviore, setis sat longis et sat brevibus,
subtil ibus instructo.

Pedes ceteri processu coxali quam coxa fere du[>lo breviore.

Abdomen. Sternum (fig. 13) parte niediana [slni) triangular! sat parva, in seg-
mento quarto aeque longa ac lata, Styli t — 7 sat attenuati, setis subtiltbus sat longis,
nee non seta longa et robustiore apicali aucti. Styli ultimi quam subcoxae parum
breviores, seta apicali quam stylus 15^ breviore. Vesiculae subcoxales duo in segmentis
abdominalibus i — 7, Penis quam paramera paullulum longlor et quam subcoxae parum
brevior. Cerci squamosi, parte proximali cercorum lateralium setis brevioribus robustis
arniata, Cercus medianus quam corpus \ longior, quam cerci laterales f longiores,

Hab. Kauai ; Mt W'aimea, 4000 feet, Perkins 1894. v.

I know no species with the male palpi as in this, which I take pleasure Jn naming
after Mr Perkins, the Entomologist, to whom science is indebted for his careful
investig-ation of the fauna of the Hawaiian islands.

(2) Alac/iiiis heteropus, sp, no v.

Long. corp. 13 ; lat. thor. 3 ; long. antenn> 20; long, cerci med. 18; long, cerci lat.
7; long, styli primi i ; long, styli ultimi r6.

Color in exemplis exsiccatis castaneus, nitens.

Oculi {Y\. VIII. fig. iS (?) sat parvi, inter sese spatio sat parvo tangentes. Oculus
singulus parum minus quam \^ latior quam Icmgion Ocelli (fig. 18 oc) nigri, trans-
versales, subrectangulares, a margine lalerali oculorum usque fere ad eorundem partem
medianam extensi.

Antennae squamis et setis instructae, quam corpus aliquantum minus quam duplo
breviores, articulo primo quam clypeus parum longiore, \ longiore quam latiore, cetero
apicem versus gradatim parum attenuato.

Palpi maxillares (fig. 14) sat attenuati et elongati^ articulo primo processu supero
postico {pr) triangularis sat magno, aucto, articulo ultimo quani penultimus paullulum
breviore, conico, parte distali articuli quinti, articulis sexto et septimo antice setis
brevibus J spiniformibus armatis.

Palpi iabiales articuli ultimi apice sat clavato.

^8—2

296 FAUNA HAWAIIENSIS

Thorax. Arcus thoracicus sat parvus. Pedes sat longi et sat atteauati, primi paris
femore pa rum niagis qiiam duplo longi ore quam latiore, tarso qiiam tibia par urn longi ore,
articulo tertio tarsali parum rnagis quani \ quam secundus breviore, infra st^tis subtilibus
sat brevibus instruct!.

Abdomen. Sternum parte mediana sat magna, in segniento quarto fere ^ latiore
quam longiore, Styli i — 7 setis brevibus, ad apicein longis, subtilibus, nee non seta
apicali longa, robusta aucti. Styli ultinii quam subcoxae parum magis quam \ breviores,
seta apicali quam styluii fere duplo breviore. Subcoxae segmentorum abdominalium
I — ^7 utrimque vesicula singula auctae. Oviposi tores tenues, setis subtilibus, sat
brevibus instruct!, quam styli ultinii aliquantum loogiores.

Cerci squamosi, parte ]>roxiniali setis robustis, brevibus infra armati, et setis
spiniformibus sat longis, in verticilUs, inter sese parum re!iiotis, dispositis. Cercus
medianus qua!n corpus fere \ lo!igion quam cerci laterales aliquantum minus quam
I brevior.

Z Pedes primi pans (fig, 15) tibia infra valde pi'oducta et pulvillo setaruin
perbi'evium aucta, tibia tota \ longiore quam latiore.

Palpi !iiaxi Hares attenuati ut in foeniina.

Penis {fig. \t pe) cjuani subcoxae parum brevior, et quam paramera postica {/(^r-)
paullulum longior.

Hab, Kauai: Koholuamano, 1S95 Perkins* — Oahu: W^aianae Mts. Nuuanu Valley
(Perkins !V. 1892); Lana!, 2000 feet (Perkiuii L 1894), — ^Maui : Haleakala, 5000 feet,
l^erkins v. 1896. — Hawai : Olaa, 2000 feet.

This nt^w species is very distinct by the form of the tibia of the front legs of
the male.

LivPrsMA Linn.
(i) Lcpi^fua /laiLhuieush, sp, nov,

$ (Pi. VIIL fig. 19 — 19'') L. supra griseola nitens, snbtus argentea.

Antennae in exeinplis a me inspectis certe articulis partini abruptis, corporis
longitudine aliquantum longiores exJstimatae, attenuatae. Oculi parvi.

Palpi niaxillares attenuati, 5-articulati, articulis 4 — 5 inter sese subaequalibus. Palpi
labiales articulo ultimo valde dilatato, crassiore.

Thorax tergitorum niargine postico sinuato, marginibus lateralibus setis brevibus
instructis. Pedes coxis magnis rotundatini valde dilatatis, femore et trocantere infra
setis sat robustis inst metis, tibia infra setis nonnulHs robustis paucis et setis numerosis
brevioribus, subtilibus aucta, tarso longitudine subaequali, tarso (fig, 20) articulis
quatuor composito, sed articulo quarto a tertio parum distincto, praetarso unguibus
lateralibus magnis^ sat arcuatis.

THl'SANURA 297

Abdomen. Tergita i— q niargine postico areoiis parvis tribus, setis nonnullis
robustis ciuctis, iiistructo, areolar Liin duo sublaterales, duo latt:rales superae, el duo
lateralis inferae. Subcoxae segmtntorum i< — 7 areoiis setosii^ tribus marginalibus
instructae, quarum utnmqut: una lateralis, una impar mediana est, St)4i segmenti
8* qiiam idt.mi segmenti 9' aliquantum breviores, pilis brevibus vestiti.

Tergitum decimujii (fig. 22 — 23 /^") magnum, posticti triangulariter valde producto
apice aciito, setis marginalibus nonnullis auctinn,

Cerci attenuati setis sat longis et robustis verticillatis aucti, in exemplis a me
inspectis partim abruptis, aliquantum magis qiiam corporis longitudo longiores existi-
mandi sunt. Lamina supraanalis (fig. 23 is) postice valde siau:Lta.

X (PI, VI lb fig". 24) quam foemina alitiuantiim minor.

Tergitum decimum {fig. 25 — 26 /^") quam idem foeminae brevius. Laminae adanales
(fig, 26 ia) lateraliter aliquantum acute productae.

Penis brevier, paramera (fig, 2^ />ar) quam apex subcoxae, acute valde productus,
parum breviora^ subconica,

Hv\B. Kauai 4000 feet (Perkins).

Ihis species appears to me very distinct by the form ol the loth abdominal tergit.

DESCRIPTION OF PLATE VII. (VOL. III.)

COLEOPTERA. CARABIDAE.

Fig-

I.

DerohrosciiS micans.

Fig,

2.

MesQfhnsius aJuix.

Fig,

3-

iXfeiyciotkorax paiustns , pro t h nx .

Fig,

4*

Af. pusillus.

Fig.

S^

M. l^rirdvceliinus.

Fig.

6.

M. ovipennis.

Fig,

7-

AL amaroides.

Fig.

8,

Tk rhwt/uirax pcrs in a ius.

Fig.

9-

T. anisiridus.

Fig^

lO.

T. insoiiiiis.

Fig.

II*

Jl paradoxus.

Fig-

12.

Z! apicalis.

Fig,

13.

!i\ perktnsi.

Fig.

14,

T. dumiis.

Fig.

^5-

T, phtysminm.

Fig.

16,

Mefrothorax molops.

Fig.

17*

M. rolimduQllh.

Fig.

18.

Gnalhidymnaeum blackhurni (cf. fig. 25),

Fig,

19.

Btmhidium advtna*

Fig.

20

Nesoddium laeticuium (cL fig. 24).

Fig,

21.

Nl mde.

Fig.

22,

Atelidium mujirot.

Fig'

23-

\ \' i n g of B€?n b idiu m m ohka iense.

Fig.

24.

Vestigial wing of Nesoddium laeticuium.

Fig.

^5-

IVophi of Gnatholyinnaeum blaciiburni^ seen from

below

a. the tusk-like mandibles.

All the figures on this plate (except the separated portions) are magnified on the same scale, y\z. x 4.

' 1

vo;.-;i

T" 1

r. ■;■

f-*.

7 V f.; \

J-

nf

Lb.

O 11 X] |.i

I

Fig.

T.

/^v

skdrpi^

Fig.

2.

Fig.

3-

Fig.

4-

Fig.

5-

Fig.

6.

Fig.

7-

Fig.

8.

Fig-

9-

Afachi/is

• perkiji

?t

11

m

DESCRIPTION OF PLATE VIII. (VOL. III.)

THYSANURA.

art. 2 — 7 of the antenna from below ; s^— s'" sensitive setae.
,, ,j j, above ; s^ — s" sensitive setae,

a sensitive seta (s-) of ihe 4th articulus of the antenna.
tarsus and praetarsus,

a half of the first abdominal subcoxostemuni : si sternum, sc sub coxae*
a half of the third abdominal subcoxosternum : st stern irni, sc subcoxae.
end of the loth abdominal segment with the forceps,
latero-posterior part of the 7th tergit.

caput from above with the first segment of the antenna: o oculus^
Of ocellus ; A first segment of the antenna, G clypeus, L labrum.
Fig. 10, „ first maxilla with the palpus : me lobus maxillaris externus, //// lobus

maxillaris intern us. pa palpus maxillaris, pr processus posterior
articuli prinii,
labium with the palpus (//)-
tibia, tarsus and praetarsu.s of the first legs.

subcoxosternum of the 4th abdominal segment : sti lateral part^
stm median part^ / styli, rsc vesiculae subcoxales.
3fadtiiis htkfvpiis^ palpus maxillaris : pr processus superus posticus articuli prinii,

first legs of the male.

subcoxae of segnienta 8 — 9 : sc subcoxae, par^ paramera anterioraj
par^ paramera posteriora, pe penis, /^ styli segment! S\ p?L styli
segmenti g\
MiU'/iilis pt'rkij/si] caput from above,
Mackiiis hehfropus^ „ ^,

L€pis)fia hiiwiiiif^isis^ 5 enlarged.

„ ^ m natural size.

apex of the tibiaj tarsus and praetarsos.*
„ 7 — 9 abdominal segment'^ from below : p^ styli of the Sth segment,

/' styli of the gth ijegment, ov ovipositores.
Fig} 22. „ 9 the end of the body from above: /^" loth tergit, cm cercus

medianus, ci cercus lateralis,
,, 9 the end of the body from below : /a laminae adanales, /s lamina

superanalis.
„ the male enlarged.

(? the end of the body from above : letters as in Fig. 22.
S „ „ below: „ „ 23.

$ 9th abdominal segment from below ; pe penis^ sc subcoxa, par
paramera, p stylt.

Fig.

II.

Fig.

12.

Fig.

i3.

Fig.

14.

Fig.

rS-

Kig.

t6.

Fig.

17-

Fig,

iS,

Fig.

19.

Fig.

19a

Fig.

20.

Fig.

21.

JJ

n

Fig.

23

Fig,

24

Fig.

35

26

Fig.

27

11

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Siivestri . Thysanura